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Pump Power Efficiency

Calculates pump hydraulic power from flow, head, and fluid density, then accounts for pump efficiency, motor efficiency, and a sizing factor. The template reports shaft power, motor input power, and recommended motor size as explicit numeric outputs.

inputs

6 fields

context

2 archetypes

engine

with-tool

outputs

4 scored fields

contract fields

Parameter Map

6 inputs to 4 scored outputs

  • flow_rate_m3_h

    float

    Pump flow rate

    0.1 to 20000m3/h

  • total_dynamic_head_m

    float

    Total dynamic head

    0.1 to 500m

  • fluid_density_kg_m3

    float

    Fluid density

    500 to 1400kg/m3

  • pump_efficiency_pct

    float

    Pump efficiency

    1 to 100%

  • motor_efficiency_pct

    float

    Motor efficiency

    1 to 100%

  • motor_sizing_factor

    float

    Motor sizing factor

    1 to 2
hydraulic_power_kwtol 0.03

Hydraulic power delivered to the fluid

shaft_power_kwtol 0.03

Pump shaft power

motor_input_power_kwtol 0.03

Motor electrical input power

recommended_motor_size_kwtol 0.03

Recommended motor power after sizing factor

visibility contract

Difficulty Ladder

all_giveneasy

All parameters given for a water transfer pump

all fields visible
all_givenmedium

All parameters given across pump power settings

all fields visible
all_givenhard

All parameters given for process pump motor sizing

all fields visible

scenario bands

Archetype Atlas

water_transfer_pump

2 contexts

Water transfer pump power sizing

flow_rate_m3_h10 to 2000
total_dynamic_head_m10 to 150
fluid_density_kg_m3990 to 1030
pump_efficiency_pct45 to 85

water-transfer-pump / pump-station-duty

process_pump

2 contexts

Industrial process pump power sizing

flow_rate_m3_h1 to 1000
total_dynamic_head_m20 to 250
fluid_density_kg_m3700 to 1300
pump_efficiency_pct35 to 80

process-pump / chemical-transfer-pump

rendered task

Generation Preview

process-pump-process-pump-preview

difficulty
hard
visibility
all_given
archetype
process_pump
site context
process-pump
instruction excerptpump-power-efficiency_calc.py

visible fields

  • flow_rate_m3_h1 to 1000 m3/h
  • total_dynamic_head_m20 to 250 m
  • fluid_density_kg_m3700 to 1300 kg/m3
  • pump_efficiency_pct35 to 80 %
  • motor_efficiency_pct80 to 95 %
  • motor_sizing_factor1.1 to 1.4

withheld schema

hydraulic_power_kwshaft_power_kwmotor_input_power_kwrecommended_motor_size_kw
Industrial process pump power sizing. process-pump. Required outputs: hydraulic_power_kw, shaft_power_kw, motor_input_power_kw, recommended_motor_size_kw